39722350225 has 6 divisors (see below), whose sum is σ = 49255714310. Its totient is φ = 31777880160.

The previous prime is 39722350211. The next prime is 39722350231. The reversal of 39722350225 is 52205322793.

It can be written as a sum of positive squares in 3 ways, for example, as 1434818641 + 38287531584 = 37879^2 + 195672^2 .

It is not a de Polignac number, because 39722350225 - 2⁵ = 39722350193 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 794446980 + ... + 794447029.

Almost surely, 2^39722350225 is an apocalyptic number.

It is an amenable number.

39722350225 is a deficient number, since it is larger than the sum of its proper divisors (9533364085).

39722350225 is a wasteful number, since it uses less digits than its factorization.

39722350225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588894019 (or 1588894014 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 40.

The spelling of 39722350225 in words is "thirty-nine billion, seven hundred twenty-two million, three hundred fifty thousand, two hundred twenty-five".